Move devm_alloc_percpu() and related to devres.h where it belongs,
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
include/linux/device.h | 18 ------------------
include/linux/device/devres.h | 16 ++++++++++++++++
2 files changed, 16 insertions(+), 18 deletions(-)
diff --git a/include/linux/device.h b/include/linux/device.h
index 0c6377f6631c..0be95294b6e6 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -281,24 +281,6 @@ int __must_check device_create_bin_file(struct device *dev,
void device_remove_bin_file(struct device *dev,
const struct bin_attribute *attr);
-/**
- * devm_alloc_percpu - Resource-managed alloc_percpu
- * @dev: Device to allocate per-cpu memory for
- * @type: Type to allocate per-cpu memory for
- *
- * Managed alloc_percpu. Per-cpu memory allocated with this function is
- * automatically freed on driver detach.
- *
- * RETURNS:
- * Pointer to allocated memory on success, NULL on failure.
- */
-#define devm_alloc_percpu(dev, type) \
- ((typeof(type) __percpu *)__devm_alloc_percpu((dev), sizeof(type), \
- __alignof__(type)))
-
-void __percpu *__devm_alloc_percpu(struct device *dev, size_t size,
- size_t align);
-
struct device_dma_parameters {
/*
* a low level driver may set these to teach IOMMU code about
diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h
index 8c5f57e0d613..a2186893b574 100644
--- a/include/linux/device/devres.h
+++ b/include/linux/device/devres.h
@@ -96,6 +96,22 @@ devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, va_list ap);
char * __printf(3, 4) __malloc
devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...);
+/**
+ * devm_alloc_percpu - Resource-managed alloc_percpu
+ * @dev: Device to allocate per-cpu memory for
+ * @type: Type to allocate per-cpu memory for
+ *
+ * Managed alloc_percpu. Per-cpu memory allocated with this function is
+ * automatically freed on driver detach.
+ *
+ * RETURNS:
+ * Pointer to allocated memory on success, NULL on failure.
+ */
+#define devm_alloc_percpu(dev, type) \
+ ((typeof(type) __percpu *)__devm_alloc_percpu((dev), sizeof(type), __alignof__(type)))
+
+void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, size_t align);
+
unsigned long devm_get_free_pages(struct device *dev, gfp_t gfp_mask, unsigned int order);
void devm_free_pages(struct device *dev, unsigned long addr);
--
2.50.1Hi Andy,
kernel test robot noticed the following build errors:
[auto build test ERROR on driver-core/driver-core-testing]
[also build test ERROR on driver-core/driver-core-next driver-core/driver-core-linus linus/master v6.18-rc5 next-20251112]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/devres-Remove-unused-devm_free_percpu/20251111-230827
base: driver-core/driver-core-testing
patch link: https://lore.kernel.org/r/20251111144104.910241-3-andriy.shevchenko%40linux.intel.com
patch subject: [PATCH v1 2/2] devres: Move devm_alloc_percpu() and related to devres.h
config: i386-buildonly-randconfig-004-20251112 (https://download.01.org/0day-ci/archive/20251112/202511122250.550UBJAu-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251112/202511122250.550UBJAu-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511122250.550UBJAu-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/gpio/gpiolib-devres.c:9:
>> include/linux/device/devres.h:113:6: error: variable has incomplete type 'void __attribute__((btf_type_tag("percpu")))' (aka 'void')
113 | void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, size_t align);
| ^
include/linux/compiler_types.h:60:19: note: expanded from macro '__percpu'
60 | # define __percpu __percpu_qual BTF_TYPE_TAG(percpu)
| ^
In file included from drivers/gpio/gpiolib-devres.c:9:
include/linux/device/devres.h:113:14: error: expected ';' after top level declarator
113 | void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, size_t align);
| ^
| ;
2 errors generated.
vim +113 include/linux/device/devres.h
98
99 /**
100 * devm_alloc_percpu - Resource-managed alloc_percpu
101 * @dev: Device to allocate per-cpu memory for
102 * @type: Type to allocate per-cpu memory for
103 *
104 * Managed alloc_percpu. Per-cpu memory allocated with this function is
105 * automatically freed on driver detach.
106 *
107 * RETURNS:
108 * Pointer to allocated memory on success, NULL on failure.
109 */
110 #define devm_alloc_percpu(dev, type) \
111 ((typeof(type) __percpu *)__devm_alloc_percpu((dev), sizeof(type), __alignof__(type)))
112
> 113 void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, size_t align);
114
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Hi Andy,
kernel test robot noticed the following build errors:
[auto build test ERROR on driver-core/driver-core-testing]
[also build test ERROR on driver-core/driver-core-next driver-core/driver-core-linus linus/master v6.18-rc5 next-20251111]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/devres-Remove-unused-devm_free_percpu/20251111-230827
base: driver-core/driver-core-testing
patch link: https://lore.kernel.org/r/20251111144104.910241-3-andriy.shevchenko%40linux.intel.com
patch subject: [PATCH v1 2/2] devres: Move devm_alloc_percpu() and related to devres.h
config: loongarch-allnoconfig (https://download.01.org/0day-ci/archive/20251112/202511120059.G3PR823H-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 996639d6ebb86ff15a8c99b67f1c2e2117636ae7)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251112/202511120059.G3PR823H-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511120059.G3PR823H-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/gpio/gpiolib-devres.c:9:
>> include/linux/device/devres.h:113:6: error: variable has incomplete type 'void'
113 | void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, size_t align);
| ^
include/linux/compiler_types.h:60:19: note: expanded from macro '__percpu'
60 | # define __percpu __percpu_qual BTF_TYPE_TAG(percpu)
| ^
In file included from drivers/gpio/gpiolib-devres.c:9:
>> include/linux/device/devres.h:113:15: error: expected ';' after top level declarator
113 | void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, size_t align);
| ^
In file included from drivers/gpio/gpiolib-devres.c:17:
In file included from drivers/gpio/gpiolib.h:12:
In file included from include/linux/cdev.h:8:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/loongarch/include/asm/elf.h:9:
In file included from include/linux/fs.h:34:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/gpio/gpiolib-devres.c:17:
In file included from drivers/gpio/gpiolib.h:12:
In file included from include/linux/cdev.h:8:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/loongarch/include/asm/elf.h:9:
In file included from include/linux/fs.h:34:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
98 | return (set->sig[3] | set->sig[2] |
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/gpio/gpiolib-devres.c:17:
In file included from drivers/gpio/gpiolib.h:12:
In file included from include/linux/cdev.h:8:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/loongarch/include/asm/elf.h:9:
In file included from include/linux/fs.h:34:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
99 | set->sig[1] | set->sig[0]) == 0;
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/gpio/gpiolib-devres.c:17:
In file included from drivers/gpio/gpiolib.h:12:
In file included from include/linux/cdev.h:8:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/loongarch/include/asm/elf.h:9:
In file included from include/linux/fs.h:34:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
101 | return (set->sig[1] | set->sig[0]) == 0;
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/gpio/gpiolib-devres.c:17:
In file included from drivers/gpio/gpiolib.h:12:
In file included from include/linux/cdev.h:8:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/loongarch/include/asm/elf.h:9:
In file included from include/linux/fs.h:34:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:6:
include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
114 | return (set1->sig[3] == set2->sig[3]) &&
| ^ ~
include/uapi/asm-generic/signal.h:62:2: note: array 'sig' declared here
62 | unsigned long sig[_NSIG_WORDS];
| ^
In file included from drivers/gpio/gpiolib-devres.c:17:
In file included from drivers/gpio/gpiolib.h:12:
In file included from include/linux/cdev.h:8:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:20:
In file included from include/linux/elf.h:6:
In file included from arch/loongarch/include/asm/elf.h:9:
vim +/void +113 include/linux/device/devres.h
98
99 /**
100 * devm_alloc_percpu - Resource-managed alloc_percpu
101 * @dev: Device to allocate per-cpu memory for
102 * @type: Type to allocate per-cpu memory for
103 *
104 * Managed alloc_percpu. Per-cpu memory allocated with this function is
105 * automatically freed on driver detach.
106 *
107 * RETURNS:
108 * Pointer to allocated memory on success, NULL on failure.
109 */
110 #define devm_alloc_percpu(dev, type) \
111 ((typeof(type) __percpu *)__devm_alloc_percpu((dev), sizeof(type), __alignof__(type)))
112
> 113 void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, size_t align);
114
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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